7
QuizMultiple Choice
Lab: Enthalpy — Unit test
Question 7 • Foothill-B Period-Chemistry-26/27B
The molar heat of fusion of gold is 12.550 kJ mol–1. At its melting point, how much mass of melted gold must solidify to release 235.0 kJ of energy?Use .
Answer
1
18.73 g2
222.5 g2
2,949.3 g3
3,688.3 g